Full steel load radial tire with special sub-portion contour

By using staggered configurations of nylon and steel wire wrapping materials in all-steel radial truck tires, the bead structure is enhanced, solving the problem of tire deformation under heavy load and high pressure, and improving the tire's resistance to deformation and safety.

CN224588863UActive Publication Date: 2026-08-04ZHONGCE RUBBER JIANDE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGCE RUBBER JIANDE CO LTD
Filing Date
2025-10-11
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing all-steel radial truck tires are prone to significant deformation under heavy load and high pressure conditions, which affects the stability of the bead structure and sealing performance, resulting in a decrease in load-bearing capacity.

Method used

The bead adopts a non-standard bead profile design, with staggered heights at the ends of the nylon overlay, steel wire overlay, carcass steel cord, steel wire reinforced structural overlay, upper triangular rubber, and lower triangular rubber. The inner end of the steel wire overlay is positioned at the center of the bottom of the rim, forming a staggered configuration. This disperses stress concentration, enhances the structural strength of the bead, and suppresses the shear effect between the carcass steel cord and the rim.

Benefits of technology

It significantly improves the strength of the tire bead structure, reduces the risk of tire blowout and cracking, and enhances the practicality and driving safety of the tire. The overall process is simple and can be produced on existing equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of all -steel tire discloses a kind of all -steel load radial tire of special-shaped sub mouth contour, including rim, fixed bolt, tread and belt, the outer wall of the rim is fixedly connected with anti-deformation mechanism around, the anti-deformation mechanism includes side rubber, the outer wall of the side rubber is fixedly connected with wear-resistant glue, the outer wall of the wear-resistant glue is fixedly connected with first filling glue.The utility model, by the each endpoint height of nylon wrapping cloth, steel wire wrapping cloth, body steel cord, steel wire strong structure wrapping cloth, upper triangular rubber and lower triangular rubber, the stress concentration of each component material is effectively dispersed, wherein the inside endpoint of reinforced steel wire wrapping cloth is positioned at the center of steel ring bottom, not only significantly enhance the structure strength of bead, effectively inhibit the shearing effect between body steel cord and steel ring, substantially reduce the risk of tire silk explosion, overall process is simple, can be realized production using existing equipment, improve the practicability of tire.
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Description

Technical Field

[0001] This utility model relates to the field of all-steel tires, and more particularly to an all-steel radial truck tire with an irregular bead profile. Background Technology

[0002] From the mid-to-late 1990s, safety tire technology gradually matured, forming two main categories based on tire structure and matching rim. A typical safety tire features a specially designed rim with internal supports, allowing it to continue driving safely for a certain distance after a leak thanks to its internal reinforced structure and beadlock wheel. It is often equipped with a tire pressure monitoring system to alert drivers of abnormalities.

[0003] The bead profile of existing all-steel radial truck tires is prone to significant deformation under heavy load and high pressure conditions. This deformation directly affects the structural stability and sealing performance of the bead, resulting in a decrease in the overall load-bearing capacity of the tire.

[0004] Therefore, those skilled in the art have provided an all-steel radial truck tire with an irregular bead profile to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies and provide an all-steel radial truck tire with an irregular bead profile. The tire effectively disperses stress concentration in its components by staggering the heights of the nylon overlay, steel wire overlay, carcass steel cord, steel wire reinforcing structure overlay, upper triangular rubber, and lower triangular rubber. The inner end of the reinforcing steel wire overlay is positioned at the center of the bottom of the rim, significantly enhancing the bead structure strength and effectively suppressing the shear effect between the carcass steel cord and the rim, greatly reducing the risk of tire blowout. The overall process is simple, can be produced using existing equipment, and improves the tire's practicality.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A type of all-steel radial truck tire with an irregular bead profile includes a rim, fixing bolts, tread and belt layer, wherein an anti-deformation mechanism is fixedly connected around the outer wall of the rim; The anti-deformation mechanism includes a sidewall rubber, a wear-resistant rubber fixedly connected to the outer wall of the sidewall rubber, a first filler rubber fixedly connected to the outer wall of the wear-resistant rubber, a nylon fabric fixedly connected to one end of the outer wall of the wear-resistant rubber, a steel wire fabric fixedly connected to the outer wall of the nylon fabric, a carcass steel cord fixedly connected to the middle of one side of the outer wall of the steel wire fabric, a steel wire reinforced structure fabric fixedly connected to one end of the outer wall of the carcass steel cord, an upper triangular rubber fixedly connected to one end of the outer wall of the steel wire reinforced structure fabric, an inner liner fixedly connected to one end of the outer wall of the carcass steel cord, a lower triangular rubber fixedly connected to one end of the outer wall of the upper triangular rubber, a steel wire loop winding cloth fixedly connected to one end of the outer wall of the lower triangular rubber, a steel ring fixedly connected to the inner wall of the steel wire loop winding cloth, and a second filler rubber fixedly connected to one side of the outer wall of the upper triangular rubber. Through the above technical solution, the tire effectively disperses the stress concentration of each component material by staggering the heights of the nylon overlay, steel wire overlay, carcass steel cord, steel wire reinforced structure overlay, upper triangular rubber, and lower triangular rubber. Among them, the inner end of the reinforcing steel wire overlay is positioned at the center of the bottom of the steel rim, which not only significantly enhances the structural strength of the bead, but also effectively suppresses the shear effect between the carcass steel cord and the steel rim, greatly reducing the risk of tire delamination and bursting. The overall process is simple and can be produced using existing equipment, thus improving the practicality of the tire.

[0007] Furthermore, a plurality of fixing bolts are threadedly connected to the middle of one end face of the rim, the upper end of the anti-deformation mechanism is fixedly connected to the tread, and the lower end face of the tread is fixedly connected to the belt layer. With the above technical solution, the tires can be fixed on the axle and drive normally.

[0008] Furthermore, the steel wire covering is made of high-strength steel cord, and the steel wire covering forms a certain angle with the steel cord of the tire body, with the height of its inner and outer sides distributed in a manner that is lower on the inside and higher on the outside. Through the above technical solution, the positioning position is controlled at the midpoint between the height of the reinforcing steel wire wrapping cloth and the reverse wrapping height of the tire carcass steel cord, thereby achieving a misalignment configuration of the endpoint positions.

[0009] Furthermore, the steel wire reinforced structure wrapping serves as a reinforcing layer between the bottom of the steel rim and the carcass steel cord, with its reverse wrapping end point lower than the reverse wrapping end point of the carcass steel cord; With the above technical solution, the inner end point is located at the center of the bottom of the steel ring, which enhances the strength of the bead area and isolates and protects the tire carcass steel cords from the steel ring.

[0010] Furthermore, the height of the lower triangular rubber end point is located between the height of the steel wire strong structure wrapping fabric and the height of the reverse wrapping of the tire carcass steel cord; Through the above technical solution, the thickness of the lower triangular rubber can ensure that the reverse wrapping end of the tire carcass steel cord is close to the center of the overall thickness of the tire bead, thus achieving the filling and reinforcement effect.

[0011] Furthermore, the thickness of the upper triangular rubber is controlled to ensure that the position of the reverse wrapping end of the tire carcass steel cord is parallel to the inner tire carcass steel cord, and the height value does not exceed the position of the tire's horizontal axis. The above technical solution precisely controls the thickness of the upper triangular rubber, ensuring that the reverse-wrapped ends of the tire carcass steel cords are parallel to the inner tire carcass steel cords and that the height does not exceed the horizontal axis. This effectively optimizes the stress distribution in the bead area, enhances structural stability, and further reduces the risk of cord shearing and bead damage.

[0012] Furthermore, the wire ring winding cloth adopts a double-layer winding method, and the bottom width of the wire ring is widened; By employing the above technical solution, using a double-layer winding method and widening the bottom of the steel rim, the rigidity and support strength of the bead area are significantly enhanced, effectively improving stress distribution, preventing steel rim deformation and displacement, thereby improving the tire's load-bearing capacity and driving safety.

[0013] This utility model has the following beneficial effects: 1. This utility model proposes an all-steel radial truck tire with an irregular bead profile. The tire effectively disperses stress concentration in the materials of each component by staggering the heights of the nylon overlay, steel wire overlay, carcass steel cord, steel wire reinforced structural overlay, upper triangular rubber, and lower triangular rubber. The inner end of the reinforcing steel wire overlay is positioned at the center of the bottom of the steel rim, which not only significantly enhances the structural strength of the bead but also effectively suppresses the shear effect between the carcass steel cord and the steel rim, greatly reducing the risk of tire delamination and bursting. The overall process is simple and can be produced using existing equipment. Attached Figure Description

[0014] Figure 1 This is an axonometric drawing of an all-steel radial truck tire with an irregular bevel profile proposed in this utility model. Figure 2 This is a schematic diagram of the rim of an all-steel radial truck tire with an irregular bevel profile proposed in this utility model. Figure 3 A cross-sectional view of the anti-deformation mechanism of an all-steel radial truck tire with an irregular bevel profile proposed in this utility model; Figure 4 for Figure 3 Enlarged view of point A; Figure 5 This is a front view of an all-steel radial truck tire with an irregular bevel profile proposed in this utility model.

[0015] Explanation of reference numerals in the attached figures: 1. Rim; 2. Fixing bolts; 3. Anti-deformation mechanism; 31. Sidewall rubber; 32. Wear-resistant rubber; 33. First filler rubber; 34. Nylon wrapping; 35. Steel wire wrapping; 36. Carcass steel cord; 37. Steel wire reinforced structure wrapping; 38. Upper tread; 39. Inner liner; 310. Lower tread; 311. Steel wire bead wrapping; 312. Steel rim; 313. Second filler rubber; 4. Tread; 5. Belt layer. Detailed Implementation

[0016] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] Reference Figure 1-3 This utility model provides a specific implementation method: A type of all-steel radial truck tire with an irregular bead profile includes a rim 1, fixing bolts 2, a tread 4, and a belt layer 5. An anti-deformation mechanism 3 is fixedly connected to the outer wall of the rim 1. The anti-deformation mechanism 3 includes a sidewall rubber 31, a wear-resistant rubber 32 fixedly connected to the outer wall of the sidewall rubber 31, a first filler rubber 33 fixedly connected to the outer wall of the wear-resistant rubber 32, a nylon fabric 34 fixedly connected to one end of the outer wall of the wear-resistant rubber 32, a steel wire fabric 35 fixedly connected to the outer wall of the nylon fabric 34, a carcass steel cord 36 fixedly connected to the middle of one side of the outer wall of the steel wire fabric 35, a steel wire reinforcing structure fabric 37 fixedly connected to one end of the outer wall of the carcass steel cord 36, an upper triangular rubber 38 fixedly connected to one end of the outer wall of the steel wire reinforcing structure fabric 37, an inner liner layer 39 fixedly connected to one end of the outer wall of the upper triangular rubber 38, and an inner liner layer 39 fixedly connected to one end of the outer wall of the upper triangular rubber 38. The lower triangular rubber 310 has a steel wire coil wrapping cloth 311 fixedly connected to one end of its outer wall, and a steel ring 312 fixedly connected to the inner wall of the steel wire coil wrapping cloth 311. The upper triangular rubber 38 has a second filler rubber 313 fixedly connected to one side of its outer wall. By using a staggered configuration of the heights of the end points of the nylon wrapping cloth 34, steel wire wrapping cloth 35, carcass steel cord 36, steel wire reinforced structural wrapping cloth 37, upper triangular rubber 38, and lower triangular rubber 310, the stress concentration of each component material is effectively dispersed. The inner end point of the reinforcing steel wire wrapping cloth 35 is positioned at the bottom center of the steel ring 312, which not only significantly enhances the structural strength of the tire bead, but also effectively suppresses the shear effect between the carcass steel cord 36 and the steel ring 312, greatly reducing the risk of tire blowout. The overall process is simple and can be produced using existing equipment, improving the practicality of the tire.

[0018] Reference Figure 3-5 Multiple fixing bolts 2 are threadedly connected to the middle of one side end face of the rim 1. The upper end of the anti-deformation mechanism 3 is fixedly connected to the tread 4, and the lower end face of the tread 4 is fixedly connected to the belt layer 5. The tire can be fixed on the axle and drive normally. The steel wire covering 35 is made of high-strength steel cord. The steel wire covering 35 and the carcass steel cord 36 form a certain angle. The height of its inner and outer sides is distributed in a way that is lower inside and higher outside. The positioning position is controlled at the middle position of the height of the reinforcing steel wire covering 35 and the carcass steel cord 36, so as to achieve the configuration of the end point position stagger level. The steel wire reinforced structural wrapping fabric 37 serves as a reinforcing layer between the bottom of the steel ring 312 and the carcass steel cord 36. Its reverse wrapping end is lower than the reverse wrapping end of the carcass steel cord 36, and its inner end is located at the center of the bottom of the steel ring 312. It plays the role of strengthening the strength of the bead area and isolating and protecting the carcass steel cord 36 from the steel ring 312. The height of the lower triangular rubber 310 end point is located between the height of the steel wire strong structure wrapping fabric 37 and the reverse wrapping height of the carcass steel cord 36. The thickness of the lower triangular rubber 310 can ensure that the reverse wrapping end point of the carcass steel cord 36 is close to the center position of the overall thickness of the tire bead, so as to achieve the filling and reinforcement effect. The thickness of the upper triangular rubber 38 is precisely controlled to ensure that the reverse-wrapped end of the tire carcass steel cord 36 is parallel to the inner tire carcass steel cord 36, and the height does not exceed the horizontal axis of the tire. This precise control of the thickness of the upper triangular rubber 38 ensures that the reverse-wrapped end of the tire carcass steel cord 36 is parallel to the inner tire carcass steel cord 36, and the height does not exceed the horizontal axis. This effectively optimizes the stress distribution in the bead area, enhances structural stability, and further reduces the risk of cord shearing and bead damage. The steel wire bead wrapping cloth 311 adopts a double-layer wrapping method, and the bottom width of the steel bead 312 is widened. The double-layer wrapping method and the widened bottom of the steel bead 312 significantly enhance the rigidity and support strength of the bead area, effectively improve stress distribution, prevent deformation and displacement of the steel bead 312, thereby improving the tire's load-bearing capacity and driving safety.

[0019] Working principle: By using staggered heights for the endpoints of the nylon wrapping fabric 34, steel wire wrapping fabric 35, carcass steel cord 36, steel wire reinforced structural wrapping fabric 37, upper triangular rubber 38, and lower triangular rubber 310, the tire effectively disperses stress concentration in the materials of each component. Among them, the inner endpoint of the reinforcing steel wire wrapping fabric 35 is positioned at the bottom center of the steel rim 312, which not only significantly enhances the structural strength of the bead, but also effectively suppresses the shear effect between the carcass steel cord 36 and the steel rim 312, greatly reducing the risk of tire bursting due to wire stripping.

[0020] The following points should be noted in this article: 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0021] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A steel radial truck tire with an irregular bead profile, comprising a rim (1), fixing bolts (2), a tread (4), and a belt layer (5), characterized in that: The outer wall of the rim (1) is fixedly connected with an anti-deformation mechanism (3); The anti-deformation mechanism (3) includes a sidewall rubber (31), a wear-resistant rubber (32) is fixedly connected to the outer wall of the sidewall rubber (31), a first filler rubber (33) is fixedly connected to the outer wall of the wear-resistant rubber (32), a nylon fabric (34) is fixedly connected to one end of the outer wall of the wear-resistant rubber (32), a steel wire fabric (35) is fixedly connected to the outer wall of the nylon fabric (34), a carcass steel cord (36) is fixedly connected to the middle of one side of the outer wall of the steel wire fabric (35), and a steel wire reinforced structure fabric (36) is fixedly connected to one end of the outer wall of the carcass steel cord (36). 37), one end of the outer wall of the steel wire strong structure wrapping cloth (37) is fixedly connected to an upper triangular rubber (38), one end of the outer wall of the tire carcass steel cord (36) is fixedly connected to an inner lining layer (39), one end of the outer wall of the upper triangular rubber (38) is fixedly connected to a lower triangular rubber (310), one end of the outer wall of the lower triangular rubber (310) is fixedly connected to a steel wire loop winding cloth (311), the inner wall of the steel wire loop winding cloth (311) is fixedly connected to a steel ring (312), and one side of the outer wall of the upper triangular rubber (38) is fixedly connected to a second filler rubber (313).

2. The all-steel radial truck tire with an irregular bead profile according to claim 1, characterized in that: The rim (1) has multiple fixing bolts (2) threadedly connected to the middle of one side end face. The anti-deformation mechanism (3) has a tread (4) fixedly connected to the upper end. The tread (4) has a belt layer (5) fixedly connected to the lower end face.

3. The all-steel radial truck tire with an irregular bead profile according to claim 1, characterized in that: The steel wire covering (35) is made of high-strength steel cord. The steel wire covering (35) and the carcass steel cord (36) form a certain angle, and the height of the inner and outer sides is distributed in a way that is lower inside and higher outside.

4. The all-steel radial truck tire with an irregular bead profile according to claim 1, characterized in that: The steel wire reinforced structure wrapping fabric (37) serves as a reinforcing layer between the bottom of the steel ring (312) and the carcass steel cord (36), with its reverse wrapping end point lower than the reverse wrapping end point of the carcass steel cord (36).

5. The all-steel radial truck tire with an irregular bead profile according to claim 1, characterized in that: The height of the lower triangular rubber (310) end point is located between the height of the steel wire strong structure wrapping fabric (37) and the reverse wrapping height of the tire carcass steel cord (36).

6. The all-steel radial truck tire with an irregular bead profile according to claim 1, characterized in that: The thickness of the upper triangular rubber (38) is controlled to ensure that the reverse end position of the tire carcass steel cord (36) is parallel to the inner tire carcass steel cord (36), and the height value does not exceed the position of the tire horizontal axis.

7. The all-steel radial truck tire with an irregular bead profile according to claim 1, characterized in that: The wire ring winding cloth (311) adopts a double-layer winding method, and the bottom width of the wire ring (312) is widened.